671
CXUS51 KPHI 020854
CLAABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
354 AM EST TUE JAN 02 2024
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR THE YEAR OF 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 105 07/03/1966
LOW -15 01/21/1994
HIGHEST 96 06/02 MM MM 95 07/23
07/24
08/09
LOWEST 4 02/04 MM MM 1 02/15
AVG. MAXIMUM 64.0 63.3 0.7 62.9
AVG. MINIMUM 43.2 42.8 0.4 41.4
MEAN 53.6 53.1 0.5 52.2
DAYS MAX >= 90 10 18.2 -8.2 21
DAYS MAX <= 32 3 22.0 -19.0 24
DAYS MIN <= 32 105 118.1 -13.1 128
DAYS MIN <= 0 0 1.2 -1.2 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 71.72 2011
MINIMUM 29.82 1980
TOTALS 46.38 47.36 -0.98 46.47
DAILY AVG. 0.13 0.13 0.00 0.13
DAYS >= .01 116 129.1 -13.1 118
DAYS >= .10 78 81.5 -3.5 83
DAYS >= .50 30 31.3 -1.3 28
DAYS >= 1.00 15 12.3 2.7 14
GREATEST
24 HR. TOTAL 3.27 12/17 TO 12/18 2.57 08/21 TO 08/22
STORM TOTAL 3.27 2.56
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 74.4 1994
24 HR TOTAL 31.9 01/22/2016 TO 01/23/2016
SNOW DEPTH 28 01/24/2016
TOTALS 4.9 33.1 -28.2 20.9
LIQUID EQUIV 0.50 3.30 -2.80 2.10
SINCE 7/1 T 5.7 -5.7 MM
LIQUID 7/1 -0.10 0.50 -0.60 MM
SNOWDEPTH AVG. 0 -1
DAYS >= TRACE 25 15.7 9.3 27
DAYS >= 1.0 3 8.1 -5.1 7
GREATEST
SNOW DEPTH 2 02/28 5 02/13
02/14
24 HR TOTAL 2.2 5.1 02/13 TO 02/13
STORM TOTAL 2.2 5.1
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 4812 5293 -481 5545
SINCE 7/1 1877 1970 -93 MM
COOLING TOTAL 790 981 -191 986
SINCE 1/1 790 981 -191 MM
FREEZE DATES
RECORD
EARLIEST MM
LATEST MM
EARLIEST 11/01
LATEST 05/18
............................................................
WIND (MPH)
AVERAGE WIND SPEED 6.5
RESULTANT WIND SPEED/DIRECTION 2/300
HIGHEST WIND SPEED/DIRECTION 40/220 DATE 08/07
HIGHEST GUST SPEED/DIRECTION 54/230 DATE 08/07
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.42
NUMBER OF DAYS FAIR 167
NUMBER OF DAYS PC 124
NUMBER OF DAYS CLOUDY 74
AVERAGE RH (PERCENT) 66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 34 MIXED PRECIP 0
HEAVY RAIN 50 RAIN 71
LIGHT RAIN 155 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 1 SNOW 2
LIGHT SNOW 21 SLEET 10
FOG 155 FOG W/VIS <= 1/4 MILE 19
HAZE 32
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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